Malware Analysis Report

2024-09-09 13:37

Sample ID 240612-31a9gswdlh
Target e98fe45a69b3a70d9377ac0c77bcb5f21a21ced019cf22bc1ab2bf5b0d5cffbb.bin
SHA256 e98fe45a69b3a70d9377ac0c77bcb5f21a21ced019cf22bc1ab2bf5b0d5cffbb
Tags
xloader_apk banker collection discovery evasion impact infostealer persistence stealth trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

e98fe45a69b3a70d9377ac0c77bcb5f21a21ced019cf22bc1ab2bf5b0d5cffbb

Threat Level: Known bad

The file e98fe45a69b3a70d9377ac0c77bcb5f21a21ced019cf22bc1ab2bf5b0d5cffbb.bin was found to be: Known bad.

Malicious Activity Summary

xloader_apk banker collection discovery evasion impact infostealer persistence stealth trojan

XLoader payload

XLoader, MoqHao

Removes its main activity from the application launcher

Checks if the Android device is rooted.

Queries account information for other applications stored on the device

Queries the phone number (MSISDN for GSM devices)

Loads dropped Dex/Jar

Reads the content of the MMS message.

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

Queries information about the current Wi-Fi connection

Requests dangerous framework permissions

Declares services with permission to bind to the system

Queries information about active data network

Requests disabling of battery optimizations (often used to enable hiding in the background).

Makes use of the framework's foreground persistence service

Acquires the wake lock

Reads information about phone network operator.

Checks the presence of a debugger

Registers a broadcast receiver at runtime (usually for listening for system events)

Uses Crypto APIs (Might try to encrypt user data)

Checks CPU information

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-12 23:58

Signatures

Declares services with permission to bind to the system

Description Indicator Process Target
Required by notification listener services to bind with the system. Allows apps to listen to and interact with notifications on the device. android.permission.BIND_NOTIFICATION_LISTENER_SERVICE N/A N/A

Requests dangerous framework permissions

Description Indicator Process Target
Allows an application to write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A
Allows an application to read from external storage. android.permission.READ_EXTERNAL_STORAGE N/A N/A
Allows an application to receive SMS messages. android.permission.RECEIVE_SMS N/A N/A
Allows an application to read SMS messages. android.permission.READ_SMS N/A N/A
Allows an application to send SMS messages. android.permission.SEND_SMS N/A N/A
Allows an app to create windows using the type LayoutParams.TYPE_APPLICATION_OVERLAY, shown on top of all other apps. android.permission.SYSTEM_ALERT_WINDOW N/A N/A
Allows an application to read the user's contacts data. android.permission.READ_CONTACTS N/A N/A
Allows read only access to phone state, including the current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device. android.permission.READ_PHONE_STATE N/A N/A
Allows access to the list of accounts in the Accounts Service. android.permission.GET_ACCOUNTS N/A N/A
Allows an app to post notifications. android.permission.POST_NOTIFICATIONS N/A N/A
Allows an application a broad access to external storage in scoped storage. android.permission.MANAGE_EXTERNAL_STORAGE N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-12 23:58

Reported

2024-06-13 00:01

Platform

android-x86-arm-20240611.1-en

Max time kernel

179s

Max time network

185s

Command Line

tnmkyqf.mcntunzaz.crcyon

Signatures

XLoader payload

Description Indicator Process Target
N/A N/A N/A N/A

XLoader, MoqHao

trojan infostealer banker xloader_apk

Checks if the Android device is rooted.

evasion
Description Indicator Process Target
N/A /sbin/su N/A N/A
N/A /system/bin/su N/A N/A
N/A /system/xbin/su N/A N/A

Removes its main activity from the application launcher

stealth trojan evasion
Description Indicator Process Target
N/A N/A N/A N/A

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/tnmkyqf.mcntunzaz.crcyon/app_picture/1.jpg N/A N/A
N/A /data/user/0/tnmkyqf.mcntunzaz.crcyon/app_picture/1.jpg N/A N/A
N/A /data/user/0/tnmkyqf.mcntunzaz.crcyon/files/b N/A N/A
N/A /data/user/0/tnmkyqf.mcntunzaz.crcyon/files/b N/A N/A

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps)

banker discovery

Queries account information for other applications stored on the device

collection
Description Indicator Process Target
Framework service call android.accounts.IAccountManager.getAccounts N/A N/A

Queries the phone number (MSISDN for GSM devices)

discovery

Reads the content of the MMS message.

collection
Description Indicator Process Target
URI accessed for read content://mms/ N/A N/A

Acquires the wake lock

Description Indicator Process Target
Framework service call android.os.IPowerManager.acquireWakeLock N/A N/A

Makes use of the framework's foreground persistence service

evasion persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.setServiceForeground N/A N/A

Queries information about active data network

discovery
Description Indicator Process Target
Framework service call android.net.IConnectivityManager.getActiveNetworkInfo N/A N/A

Queries information about the current Wi-Fi connection

discovery
Description Indicator Process Target
Framework service call android.net.wifi.IWifiManager.getConnectionInfo N/A N/A

Reads information about phone network operator.

discovery

Requests disabling of battery optimizations (often used to enable hiding in the background).

evasion
Description Indicator Process Target
Intent action android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS N/A N/A

Checks the presence of a debugger

evasion

Registers a broadcast receiver at runtime (usually for listening for system events)

persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.registerReceiver N/A N/A

Uses Crypto APIs (Might try to encrypt user data)

impact
Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal N/A N/A

Checks CPU information

Description Indicator Process Target
File opened for read /proc/cpuinfo N/A N/A

Processes

tnmkyqf.mcntunzaz.crcyon

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 m.vk.com udp
RU 87.240.137.164:443 m.vk.com tcp
KR 91.204.227.50:28899 tcp
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GB 216.58.212.238:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 142.250.178.14:443 android.apis.google.com tcp
KR 91.204.227.50:28899 tcp
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Files

/data/data/tnmkyqf.mcntunzaz.crcyon/app_picture/1.jpg

MD5 31f375d3da37d9776a58c5cc7b5608ba
SHA1 0db4232f50317186280ca0b6065c7bd799ccff38
SHA256 53a77e84c44eb6831a264b8a186206b3787455f1a276b8f08cd4c8aea3a4da43
SHA512 389ec5c35686b06847adc3a1674b4f6a6c7bfcd08edf53723b37b6642b62a710d934498522dd18b6424c36b0f7bc5aac5bfc2089a773ecb916159fcd7faf9079

/data/data/tnmkyqf.mcntunzaz.crcyon/files/b

MD5 5052e382193805f854a17470afdeadc8
SHA1 e434b19018b8d0a14c3db4b47318a9e92e9f5148
SHA256 6eac212f3e5d11281f0c7263e5795bd74241b233898280b8cb9479443747f52a
SHA512 be6fde561141ceebed2f1c98c845fdf247b10aecd15698130bda158484f02309e336a57e1a19fc740137f919904f0c649fcfed6d659b53b0ae6e97aaf794cec7

/storage/emulated/0/.msg_device_id.txt

MD5 219f593e8b0bd8652e65d25d7a379dd6
SHA1 e6f6ac70b5c6537825950c12f894e92bd5442a0a
SHA256 2665300c8e3c35e58cb49bb8d2b0b77bda36a49ce8fa383e2280b6d6d0ad5116
SHA512 89b8a590765712b22623bfc0368518437cc091410b755a5ba8b059ab2f61861c30176302cd5df1fd91d105e37af330482c885b7195881a3418e9d94857e7f769